CN205287126U - Low pressure needle -free injection device - Google Patents

Low pressure needle -free injection device Download PDF

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Publication number
CN205287126U
CN205287126U CN201620033063.1U CN201620033063U CN205287126U CN 205287126 U CN205287126 U CN 205287126U CN 201620033063 U CN201620033063 U CN 201620033063U CN 205287126 U CN205287126 U CN 205287126U
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CN
China
Prior art keywords
injection
needleless
low pressure
vent plug
needleless injector
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CN201620033063.1U
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Chinese (zh)
Inventor
孙溢
俞麟
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Medical International Technologies (jiangsu) Co Ltd
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Medical International Technologies (jiangsu) Co Ltd
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Priority to CN201620033063.1U priority Critical patent/CN205287126U/en
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Abstract

The utility model discloses a the utility model relates to a low pressure needle -free injection device, it includes needleless injector body, power pack and power supply device, the needleless injector body includes disposable nozzle, needle -free injection barrel and needleless injector tip, power pack injects the push rod including setting up in the injection passageway, magnetism push rod and reverse air lock, after the structure of the oil adding device is adopted, whole injection process need not professional's operation, ensure to inject safety, full automatization operation all over, the the device fixed dosage, adjust pressure through adjusting nut, the rethread promotes the flow through disposable injection head in a tiny aperture of liquid medicine, it restraints puncture skin surface to produce high -pressure liquid, inject the internal realization of medicinal liquid injection, the target tissue is injected with medicine or biological agent to the syringe by this method, continuous operation can carry out, traditional syringe needle injection system has been replaced.

Description

A kind of low pressure Needleless injection device
Technical field
The utility model relates to a kind of low pressure Needleless injection device, refers more particularly to one moment high load capacity Needleless injection device.
Background technology
At present, the existing needleless injector in China market applies to human or animal body injection mostly, and its injection difficulty is little, become consumer and be easy to the injection system of accepting, especially, in the time of the injection of the soft position of human body face, its injection accuracy requirement is higher, existing, beauty industry injection needs manual operations, and its operating personnel must just can inject through professional training, and inject time is longer, in addition, existing syringe dosage is held inaccurate, need estimate according to personnel's experience, and its security is not high.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of by disposable injection head generation high pressure liquid bundle skin puncture surface, liquid is injected in vivo to the low pressure Needleless injection device of realizing injection, this injection device is realized fixing low dose of, full-automatic injecting injection, whole injection process safety, according to regulating pressure, syringe can be expelled to target setting tissue by medicine or biologic product.
In order to solve the problems of the technologies described above, the utility model provides a kind of low pressure Needleless injection device, and it comprises needleless injector body, power unit and power supply device;
Described needleless injector body comprises disposable nozzle, Needleless injection gun barrel and needleless injector end, between described disposable nozzle and Needleless injection gun barrel, be provided with injection port, described injection port and the clamping of disposable nozzle phase, described injection port is connected by nut with Needleless injection gun barrel and forms an injection canal, described injection port one end is provided with check valve, described needleless injector end and Needleless injection gun barrel are structure as a whole, described needleless injector is provided with an infusion channel in end, described infusion channel is connected with injection canal, described needleless injector end is connected with syringe by joint component,
Described power unit comprises and is arranged at injection putter in injection canal, magnetic push rod and reverse vent plug, and described injection putter is fixedly connected with magnetic push rod by wheel flange, and described power unit one end is provided with swivelling cover;
Described power supply device comprises the air hose that is connected with swivelling cover afterbody, air accumulator, air compressor machine and foot-operated, described air hose with air accumulator, air compressor machine, ride and be connected and carry out pressure adjusting by regulator.
Described needleless injector body is fixedly connected with and connects with power unit screw thread.
Preferably, described power unit periphery is coated with hand-held protection overcoat, and described hand-held protection overcoat is arranged with chuck outward, and described hand-held protection overcoat is threaded with chuck.
Preferably, between described magnetic push rod and reverse vent plug, be provided with vent plug bolt, described reverse vent plug is fixedly connected with vent plug bolt, and described reverse vent plug drives vent plug bolt to be and axially does horizontal movement, and described magnetic push rod and vent plug bolt are suitable.
Preferably, described needleless injector end is fixedly connected with joint component, in described joint component, is provided with piston, and described piston one end is provided with overhead-valve pad, and between described piston and overhead-valve pad, cover has liquid valve spring.
Preferably, described disposable nozzle comprises that injection head, taper inject the passage of end and the extension of exhaustjet liquid, and described injection head end is provided with injection micropore; Described check valve one side is provided with front valve gasket.
The utility model adopts after this low pressure Needleless injection device, and its beneficial effect is:
A kind of low pressure Needleless injection device of the utility model, it comprises needleless injector body, power unit and power supply device, described needleless injector body comprises disposable nozzle, Needleless injection gun barrel and needleless injector end, described power unit comprises and is arranged at injection putter in injection canal, magnetic push rod and oppositely vent plug, described power supply device comprises the air hose being connected with swivelling cover afterbody, air accumulator, air compressor machine and foot-operated, in the time opening power supply device valve, regulate the knob on pressure-reducing valve, when stepping on when foot-operated, gas can back down magnetic push rod by the air admission hole of reverse vent plug afterbody in syringe through air hose, magnetic push rod drives injection putter to move ahead, liquid in gun barrel is promoted away, liquid is provided by the syringe connecting on Needleless injection gun barrel, the thrust flicking by magnetic push rod moment promotes the micropore of liquid through disposable injection head front end, forming high pressure liquid stream injects. unclamping the gas in syringe foot-operated time can get rid of by the return-air hole on reverse vent plug, thereby and complete the filling of liquid medicine injection next time and inject continuously, whole injection process operates without professional, reach trick collaborative, be difficult for forming cut, guarantee injection safety, full-automatic operation all over, this device low dose is controlled at 0.1-0.8ml, fixed dosage, adjust pressure by adjusting nut, again by promoting the flow through disposable injection head in a tiny aperture of liquid, produce high pressure liquid bundle skin puncture surface, liquid is injected in vivo and realizes injection, medicine or biologic product are expelled to destination organization by syringe by this method, often step on a foot pedal apparatus and realize a shot, complete after a shot, unclamp foot-operated in, complete the filling of liquid medicine injection next time, can carry out continued operation, replace traditional needle injection mode, this device is disposable use, avoid cross-infection.
Brief description of the drawings
Fig. 1 is the utility model low pressure Needleless injection device cutaway view.
Fig. 2 is the injection fundamental diagram of the utility model low pressure Needleless injection device.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated, can not be interpreted as it is to restriction of the present utility model;
As shown in Figure 1, a kind of low pressure Needleless injection device, it comprises needleless injector body 1, power unit 2 and power supply device 3, described needleless injector body 1 is fixedly connected with and connects with power unit 2 screw threads, described needleless injector body 1 comprises disposable nozzle 101, Needleless injection gun barrel 102 and needleless injector end 103, described disposable nozzle 101 comprises injection head 113, taper injects the passage 115 of end 114 and the extension of exhaustjet liquid, described injection head 113 ends are provided with injection micropore 116, between described disposable nozzle 101 and Needleless injection gun barrel 102, be provided with injection port 104, described injection port 104 and disposable nozzle 101 phase clampings, described injection port 104 is connected by nut 105 with Needleless injection gun barrel 102 and forms an injection canal 106, described injection port 104 one end are provided with check valve 107, described check valve 107 1 sides are provided with front valve gasket 117, described needleless injector end 103 is structure as a whole with Needleless injection gun barrel 102, in described needleless injector end 103, be provided with an infusion channel 108, described infusion channel 108 is connected with injection canal 106, described needleless injector end 103 is connected with syringe by joint component 109, described needleless injector end 103 is fixedly connected with joint component 109, in described joint component 109, is provided with piston 110, and described piston 110 one end are provided with overhead-valve pad 111, and between described piston 110 and overhead-valve pad 111, cover has liquid valve spring 112.
Described power unit 2 comprises and is arranged at injection putter 201 in injection canal, magnetic push rod 202 and reverse vent plug 203, and described injection putter 201 is fixedly connected with magnetic push rod 202 by wheel flange 204, and described power unit 2 one end are provided with swivelling cover 205; Between described magnetic push rod 202 and reverse vent plug 203, be provided with vent plug bolt 205, described reverse vent plug 203 is fixedly connected with vent plug bolt 205, described reverse vent plug 203 drives vent plug bolt 205 to be and axially does horizontal movement, and described magnetic push rod 202 is suitable with vent plug bolt 205; Described power unit 2 peripheries are coated with hand-held protection overcoat 4, and described hand-held protection overcoat 4 is outer is arranged with chuck 5, and described hand-held protection overcoat 4 is threaded with chuck 5.
Described power supply device 3 comprises the air hose 301 that is connected with swivelling cover afterbody, air accumulator 302, air compressor machine 303 and foot-operated 304, described air hose 301 with air accumulator 302, air compressor machine 303, ride 304 and be connected and carry out pressure adjusting by regulator 305.
Swivelling cover 205 is connected with air hose 301, air hose 301 is connected with power set, power set are air accumulator 302 and air compressor machine 303, carry out pressure adjusting by regulator, in the time opening power set valve, regulate the knob on pressure-reducing valve, in the time stepping on foot-operated 304, oppositely vent plug 203 afterbodys are provided with air admission hole, gas can back down magnetic push rod 202 by air admission hole through air hose 301, magnetic push rod 202 drives injection putter 201 to move ahead, liquid in Needleless injection gun barrel 102 is promoted away, liquid is provided by the syringe connecting on Needleless injection gun barrel 102, the thrust flicking by 202 moments of magnetic push rod promotes the micropore 116 of liquid through disposable injection head front end, forming high pressure liquid stream injects, gas when unclamping foot-operated 304 in syringe can be got rid of by the return-air hole on reverse vent plug 203, thereby and complete the filling of liquid medicine injection next time and inject continuously.
As shown in Figure 2, open air compressor machine or gas cylinder valve, regulate pressure to required operating pressure (60psi-150psi), follow sterile working principle injection putter is inserted to syringe, gun barrel is inserted to syringe along injection putter level to be held part and screws, injection port being aimed to gun barrel inserts again, screw with injection port nut, the injection tube that extracts physiological saline is connected to gun barrel, limit promotes injection tube limit and steps on foot-operated, two actions are carried out simultaneously, and continuous injection twice or thrice, until the liquid of ejection is vaporific, guarantees that the air in syringe clears; Take off the injection tube that physiological saline is housed, change needed liquid, the physiological saline that continuous injection clears in syringe for three times, disposable injection head is installed on to injection port can be injected, the end face of guaranteeing injection head when injection is vertical with injection surface and touches, for disposable use, avoid cross-infection.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (7)

1. a low pressure Needleless injection device, is characterized in that: it comprises needleless injector body (1), power unit (2) and power supply device (3);
Described needleless injector body (1) comprises disposable nozzle (101), Needleless injection gun barrel (102) and needleless injector end (103), between described disposable nozzle (101) and Needleless injection gun barrel (102), be provided with injection port (104), described injection port (104) and disposable nozzle (101) phase clamping, described injection port (104) is connected by nut (105) with Needleless injection gun barrel (102) and forms an injection canal (106), described injection port (104) one end is provided with check valve (107), described needleless injector end (103) is structure as a whole with Needleless injection gun barrel (102), in described needleless injector end (103), be provided with an infusion channel (108), described infusion channel (108) is connected with injection canal (106), described needleless injector end (103) is connected with syringe by joint component (109),
Described power unit (2) comprises and is arranged at injection putter (201) in injection canal, magnetic push rod (202) and reverse vent plug (203), described injection putter (201) is fixedly connected with magnetic push rod (202) by wheel flange (204), and described power unit (2) one end is provided with swivelling cover (205);
Described power supply device (3) comprises the air hose (301) that is connected with swivelling cover afterbody, air accumulator (302), air compressor machine (303) and foot-operated (304), described air hose (301) with air accumulator (302), air compressor machine (303), ride (304) and be connected and pass through regulator (305) and carry out pressure adjusting.
2. low pressure Needleless injection device according to claim 1, is characterized in that: described needleless injector body (1) is fixedly connected with and connects with power unit (2) screw thread.
3. low pressure Needleless injection device according to claim 1; it is characterized in that: described power unit (2) periphery is coated with hand-held protection overcoat (4); described hand-held protection overcoat (4) is outer is arranged with chuck (5), and described hand-held protection overcoat (4) is threaded with chuck (5).
4. low pressure Needleless injection device according to claim 1, it is characterized in that: between described magnetic push rod (202) and reverse vent plug (203), be provided with vent plug bolt (205), described reverse vent plug (203) is fixedly connected with vent plug bolt (205), described reverse vent plug (203) drives vent plug bolt (205) to be and axially does horizontal movement, and described magnetic push rod (202) is suitable with vent plug bolt (205).
5. low pressure Needleless injection device according to claim 1, it is characterized in that: described needleless injector end (103) is fixedly connected with joint component (109), in described joint component (109), be provided with piston (110), described piston (110) one end is provided with overhead-valve pad (111), and between described piston (110) and overhead-valve pad (111), cover has liquid valve spring (112).
6. low pressure Needleless injection device according to claim 1, it is characterized in that: described disposable nozzle (101) comprises that injection head (113), taper inject the passage (115) of end (114) and the extension of exhaustjet liquid, and described injection head (113) end is provided with injection micropore (116).
7. low pressure Needleless injection device according to claim 1, is characterized in that: described check valve (107) one sides are provided with front valve gasket (117).
CN201620033063.1U 2016-01-14 2016-01-14 Low pressure needle -free injection device Active CN205287126U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620033063.1U CN205287126U (en) 2016-01-14 2016-01-14 Low pressure needle -free injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620033063.1U CN205287126U (en) 2016-01-14 2016-01-14 Low pressure needle -free injection device

Publications (1)

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CN205287126U true CN205287126U (en) 2016-06-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105498047A (en) * 2016-01-14 2016-04-20 江苏丞宇米特医疗科技有限公司 Low-pressure needle-free injection device
CN107126599A (en) * 2017-06-19 2017-09-05 上海完形健康管理咨询有限公司 A kind of needleless low-pressure permeability water peels off device for removing wrinkles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105498047A (en) * 2016-01-14 2016-04-20 江苏丞宇米特医疗科技有限公司 Low-pressure needle-free injection device
CN107126599A (en) * 2017-06-19 2017-09-05 上海完形健康管理咨询有限公司 A kind of needleless low-pressure permeability water peels off device for removing wrinkles

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